The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - So tell me about hydro boost, 1988 K30, pedal just about going to the floor

bigdaddy4x4 · 04-23-2023, 09:23 PM

you may have the wrong master cylinder some of them where the master cylinder piston is there are differences in the hole where the rod from the hydroboost goes in one is deeper than the other i will post a pic the one on the left is for the hydroboost and the one on the right is for a 79k20 with vacum boost

04-23-2023, 09:23 PM	#5
bigdaddy4x4 Registered User Join Date: Aug 2012 Location: concord ga Posts: 189	Re: So tell me about hydro boost, 1988 K30, pedal just about going to the floor you may have the wrong master cylinder some of them where the master cylinder piston is there are differences in the hole where the rod from the hydroboost goes in one is deeper than the other i will post a pic the one on the left is for the hydroboost and the one on the right is for a 79k20 with vacum boost Attached Images Last edited by bigdaddy4x4; 04-23-2023 at 09:51 PM.